CN216503559U - Self-centering clamp for machining motor stator casing - Google Patents
Self-centering clamp for machining motor stator casing Download PDFInfo
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- CN216503559U CN216503559U CN202122767038.XU CN202122767038U CN216503559U CN 216503559 U CN216503559 U CN 216503559U CN 202122767038 U CN202122767038 U CN 202122767038U CN 216503559 U CN216503559 U CN 216503559U
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- stator casing
- taper sleeve
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Abstract
The utility model relates to a self-centering clamp for machining a motor stator shell, which comprises a bottom plate, wherein a base is arranged on the bottom plate, a lower flange plate is arranged on the base, an upper flange plate is arranged above the lower flange plate, a supporting cylinder is arranged between the lower flange plate and the upper flange plate, a main shaft is arranged at the central position of the supporting cylinder, a taper sleeve is sleeved on the main shaft, a plurality of supports are uniformly arranged on the periphery of the taper sleeve, and positioning blocks are connected and arranged outside the supports. The self-centering clamp for machining the motor stator casing can reliably clamp a workpiece, accurately position an inner hole of a product, ensure the concentricity of the inner hole and an outer circle and greatly improve the quality and the qualification rate of the product.
Description
Technical Field
The utility model relates to a self-centering clamp for machining a motor stator casing, and belongs to the technical field of machining tools.
Background
In the processing process of the motor stator casing, an inner hole is used as a reference for processing an excircle or processing an inner hole spigot, the inner hole is a non-processing surface, and the concentricity of the inner hole and the excircle is required to be 0.2. The existing motor stator casing machining clamp can not accurately position an inner hole, so that the concentricity of the inner hole and an outer circle can not be effectively guaranteed, and the quality and the qualification rate of products are greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a self-centering clamp for processing a motor stator shell in the prior art, which can reliably clamp a workpiece, accurately position an inner hole of a product, ensure the concentricity of the inner hole and an outer circle and greatly improve the quality and the qualification rate of the product.
The technical scheme adopted by the utility model for solving the problems is as follows: the utility model provides a processing motor stator casing from line-up clamp, it includes the bottom plate, be provided with the base on the bottom plate, be provided with lower flange board on the base, lower flange board top is provided with the flange board, be provided with a support section of thick bamboo between lower flange board and the upper flange board, support section of thick bamboo central point puts and is provided with the main shaft, the cover is equipped with the taper sleeve on the main shaft, the taper sleeve periphery evenly is provided with a plurality of supports, the connection of the support outside is provided with the locating piece, a plurality of through-holes have been seted up on the support section of thick bamboo, and the position of a plurality of through-holes is corresponding with the position of a plurality of locating pieces respectively.
Optionally, the bracket is matched with the taper sleeve through a wedge surface structure.
Optionally, a wedge-shaped groove is vertically formed in the outer side of the taper sleeve, a wedge-shaped block is arranged on the inner side of the support, and the wedge-shaped groove is matched with the wedge-shaped block.
Optionally, a limiting groove is vertically formed in the inner wall of the taper sleeve, a limiting key is arranged on the spindle, and the limiting key is arranged in the limiting groove.
Optionally, a screw sleeve is arranged above the taper sleeve, and the screw sleeve is connected with the taper sleeve through threads.
Optionally, an adjusting plate is arranged above the spiral casing and connected with the spiral casing through a fifth bolt.
Optionally, a circle of steel ball groove is formed in the corresponding position of the spiral sleeve of the main shaft, and a plurality of steel balls are arranged in the steel ball groove.
Optionally, the upper flange plate is radially provided with a plurality of upper guide grooves, the lower flange plate is radially provided with a plurality of lower guide grooves, the positions of the plurality of upper guide grooves correspond to the positions of the plurality of lower guide grooves, and the upper end and the lower end of the bracket are respectively clamped in the upper guide grooves and the lower guide grooves.
Optionally, a second flange edge is arranged at the bottom of the base, a plurality of equal-height blocks are arranged on the second flange edge, a plurality of angular positioning blocks are arranged on the base, and the angular positioning blocks are located on the periphery of the supporting cylinder.
Compared with the prior art, the utility model has the advantages that:
the self-centering clamp for machining the motor stator shell can reliably clamp a workpiece, accurately position an inner hole of a product, ensure the concentricity of the inner hole and an outer circle and greatly improve the quality and the qualification rate of the product.
Drawings
Fig. 1 is a schematic structural diagram of a self-centering fixture for processing a motor stator casing according to the present invention.
Fig. 2 is a plan view of a self-centering fixture for processing a stator casing of an electric machine according to the present invention in a use state.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a sectional view B-B of fig. 2.
Fig. 5 is a schematic perspective view of the lower flange plate of fig. 3.
Fig. 6 is a schematic perspective view of the upper flange plate of fig. 3.
Fig. 7 is a perspective view of the spindle of fig. 3.
Fig. 8 is a schematic perspective view of the support cylinder in fig. 3.
Fig. 9 is a schematic perspective view of the drogue of fig. 3.
Fig. 10 is a perspective view of the stent of fig. 3.
Wherein:
Taper sleeve 7
Through hole 10
Wedge-shaped groove 17
Wedge block 18
Limiting groove 19
Limiting key 20
Screw sleeve 21
Adjusting plate 22
Equal-height blocks 32
A workpiece 34.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 10, the self-centering fixture for processing a motor stator casing in this embodiment includes a bottom plate 1, a base 2 is disposed on the bottom plate 1, a lower flange plate 3 is disposed on the base 2, an upper flange plate 4 is disposed above the lower flange plate 3, a support cylinder 5 is disposed between the lower flange plate 3 and the upper flange plate 4, a spindle 6 is disposed at a center position of the support cylinder 5, a taper sleeve 7 is sleeved on the spindle 6, a plurality of brackets 8 are uniformly disposed on a periphery of the taper sleeve 7, positioning blocks 9 are connected to outer sides of the brackets 8, a plurality of through holes 10 are disposed on the support cylinder 5, and positions of the through holes 10 correspond to positions of the positioning blocks 9, respectively;
the base 2 is connected with the bottom plate 1 through a pin 11 and a first bolt 12;
the bottom of the main shaft 6 is provided with a first flange edge 13, and the first flange edge 13 is connected with the lower flange plate 3 through a second bolt 14;
the flange edge 13 is positioned below the lower flange plate 3;
the lower flange plate 3 is connected with the base 2 through a third bolt 15;
the bottom of the support cylinder 5 is connected with the lower flange plate 3 through a fourth bolt 16;
the bracket 8 is matched with the taper sleeve 7 through a wedge surface structure;
a wedge-shaped groove 17 is vertically formed in the outer side of the taper sleeve 7, a wedge-shaped block 18 is arranged on the inner side of the support 8, and the wedge-shaped groove 17 is matched with the wedge-shaped block 18;
a limiting groove 19 is vertically formed in the inner wall of the taper sleeve 7, a limiting key 20 is arranged on the main shaft 6, and the limiting key 20 is arranged in the limiting groove 19;
a screw sleeve 21 is arranged above the taper sleeve 7, and the screw sleeve 21 is connected with the taper sleeve 7 through threads;
an adjusting plate 22 is arranged above the screw sleeve 21, and the adjusting plate 22 is connected with the screw sleeve 21 through a fifth bolt 23;
the upper flange plate 4 is provided with a mounting hole 24, the adjusting plate 22 is arranged in the mounting hole 24, and the top of the adjusting plate 22 is exposed out of the upper flange plate 4;
a circle of steel ball grooves 25 are formed in the corresponding position of the spiral sleeve 21 of the main shaft 6, and a plurality of steel balls 26 are arranged in the steel ball grooves 25;
the positioning block 9 is connected with the bracket 8 through a sixth bolt 27;
the top of the supporting cylinder 5 is connected with the upper flange plate 4 through a seventh bolt 28;
a plurality of upper guide grooves 29 are formed in the upper flange plate 3 along the radial direction, a plurality of lower guide grooves 30 are formed in the lower flange plate 4 along the radial direction, the positions of the plurality of upper guide grooves 29 correspond to those of the plurality of lower guide grooves 30, and the upper end and the lower end of the support 8 are respectively clamped in the upper guide grooves 29 and the lower guide grooves 30;
a second flange edge 31 is arranged at the bottom of the base 2, and the second flange edge 31 is connected with the bottom plate 1 through a pin 11 and a first bolt 12;
a plurality of equal-height blocks 32 are arranged on the second flange edge 31;
the base 2 is provided with a plurality of angular positioning blocks 33, and the angular positioning blocks 33 are located on the periphery of the support cylinder 5.
The installation and use method is as follows:
step one, fixing a base on a bottom plate by using a pin and a first bolt;
fixing the main shaft to the lower flange plate by using a second bolt;
fixing the lower flange plate on the base by using a third bolt;
fixing the support cylinder to the lower flange plate by using a fourth bolt;
connecting the bracket to the taper sleeve by using a wedge surface structure;
sixthly, mounting the taper sleeve on the main shaft by taking the key as a guide;
fixing the adjusting plate on the spiral sleeve by using a fifth bolt;
step eight, assembling the screw sleeve on the taper sleeve by utilizing threaded connection;
step nine, after the screw sleeve is assembled on the taper sleeve, the steel balls are used for limiting the up-and-down movement of the screw sleeve;
fixing the positioning block to the bracket by using a sixth bolt;
step eleven, fixing the upper flange plate on the support cylinder by using a seventh bolt;
and step twelve, clockwise rotating the adjusting plate by using a 36mm socket wrench, enabling the taper sleeve to move upwards by utilizing thread transmission, enabling the taper sleeve to drive the support to shrink towards the center by utilizing the matching of the wedge surface and the key, and reducing the diameter direction of the mandrel, otherwise, rotating in the anticlockwise direction, enabling the taper sleeve to move downwards, enabling the taper sleeve to drive the support to expand towards the periphery by utilizing the matching of the wedge surface and the key, and expanding the diameter direction of the mandrel, wherein the difference between the maximum value and the minimum value is 1.75 mm.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by equivalent transformation or equivalent replacement should fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a processing motor stator casing from line-up clamp which characterized in that: it includes bottom plate (1), be provided with base (2) on bottom plate (1), be provided with down flange board (3) on base (2), lower flange board (3) top is provided with flange board (4), be provided with between lower flange board (3) and upper flange board (4) support section of thick bamboo (5), support section of thick bamboo (5) central point puts and is provided with main shaft (6), the cover is equipped with taper sleeve (7) on main shaft (6), taper sleeve (7) periphery evenly is provided with a plurality of supports (8), support (8) outside connection is provided with locating piece (9), a plurality of through-holes (10) have been seted up on support section of thick bamboo (5), and the position of a plurality of through-holes (10) is corresponding with the position of a plurality of locating pieces (9) respectively.
2. The self-centering fixture for machining the stator casing of the motor as claimed in claim 1, wherein: the support (8) is matched with the taper sleeve (7) through a wedge surface structure.
3. The self-centering fixture for machining the stator casing of the motor as claimed in claim 2, wherein: the taper sleeve (7) outside has been seted up wedge groove (17) along vertical, support (8) inboard is provided with wedge (18), wedge groove (17) and wedge (18) cooperate.
4. The self-centering fixture for machining the stator casing of the motor as claimed in claim 1, wherein: limiting grooves (19) are vertically formed in the inner wall of the taper sleeve (7), limiting keys (20) are arranged on the main shaft (6), and the limiting keys (20) are arranged in the limiting grooves (19).
5. The self-centering fixture for machining the stator casing of the motor as claimed in claim 1, wherein: a spiral sleeve (21) is arranged above the taper sleeve (7), and the spiral sleeve (21) is connected with the taper sleeve (7) through threads.
6. The self-centering fixture for machining the stator casing of the motor as claimed in claim 5, wherein: an adjusting plate (22) is arranged above the spiral casing (21), and the adjusting plate (22) is connected with the spiral casing (21) through a fifth bolt (23).
7. The self-centering fixture for machining the stator casing of the motor as claimed in claim 5, wherein: the main shaft (6) is provided with a circle of steel ball grooves (25) at the corresponding positions of the spiral sleeve (21), and a plurality of steel balls (26) are arranged in the steel ball grooves (25).
8. The self-centering fixture for machining the stator casing of the motor as claimed in claim 1, wherein: the upper flange plate (4) is provided with a plurality of upper guide grooves (29) along the radial direction, the lower flange plate (3) is provided with a plurality of lower guide grooves (30) along the radial direction, the positions of the plurality of upper guide grooves (29) correspond to those of the plurality of lower guide grooves (30), and the upper end and the lower end of the support (8) are respectively clamped in the upper guide grooves (29) and the lower guide grooves (30).
9. The self-centering fixture for machining the stator casing of the motor as claimed in claim 1, wherein: the base is characterized in that a second flange edge (31) is arranged at the bottom of the base (2), a plurality of equal-height blocks (32) are arranged on the second flange edge (31), a plurality of angular positioning blocks (33) are arranged on the base (2), and the angular positioning blocks (33) are located on the periphery of the supporting cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122767038.XU CN216503559U (en) | 2021-11-12 | 2021-11-12 | Self-centering clamp for machining motor stator casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122767038.XU CN216503559U (en) | 2021-11-12 | 2021-11-12 | Self-centering clamp for machining motor stator casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216503559U true CN216503559U (en) | 2022-05-13 |
Family
ID=81528957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122767038.XU Active CN216503559U (en) | 2021-11-12 | 2021-11-12 | Self-centering clamp for machining motor stator casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216503559U (en) |
-
2021
- 2021-11-12 CN CN202122767038.XU patent/CN216503559U/en active Active
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